the age of a person, animal, or plant; years of existence

the sport of ten-pin bowling

age group; age bracket; a range of ages defined for a specific purpose

(respectful) advanced or venerable age, usually referring to people over sixty years old; (attributive) of an age higher than the standard or average, such as in geriatric pregnancy [[高龄产妇|高齡產婦|gao1 ling2 chan3 fu4]]

The right or required age for a certain purpose, such as starting school or military service; being of the appropriate age.

The process of a population or society becoming older; aging of a population.

being the same age; also refers to being in the same age group

a person of the same age; a contemporary

old age; the aging process, especially within a population

Song Qingling (1893-1981), a prominent political figure and second wife of [[孙中山|孫中山|sun1 zhong1 shan1]]; she was active in social welfare and served as vice-president of the PRC.

length of service; the number of years a worker has been employed

The number of years since a house or building was completed, often used to calculate depreciation.

Soong Mei-ling (1898-2003), the wife of [[蒋介石|蔣介石|jiang3 jie4 shi2]]

the age of a tree; the number of years a tree has been growing

the youthful years of a young woman; in the prime of youth; late adolescence

to exceed a prescribed or required age limit; to be too old for a specific category

preschool children; preschoolers

the age range or stage of life during which it is biologically possible to have children

The legal minimum age at which a person is allowed to marry; also refers to the actual age at which a person gets married

Pu Songling (1640–1715), a famous writer of the Qing dynasty best known as the author of [[聊斋志异|聊齋志異|liao2 zhai1 zhi4 yi4]]

older than average for a specific cohort, such as being past the typical age for starting school or getting married

The age at which a child is eligible or required by law to begin attending school; usually refers to the age range from six to fifteen years old.

The number of years a person has been a member of a political party

the number of years one has worked as a teacher; length of teaching career

Young people who are unmarried and past the typical age for marriage, generally referring to those over thirty.

the age of a young woman; used as a respectful or polite term

Fang Xuanling (579–648), a famous Tang dynasty politician and historian who served as Chancellor under Emperor Taizong; he was the primary editor of the [[晋书|晉書|jin4 shu1]].

(698-757) Famous Tang dynasty poet known as the "Saint of the Seven-Character Quatrain"; he was famous for his frontier poetry depicting military life and the sorrows of border garrisons.

Zhang Jiuling (678–740), a high-ranking politician and prominent poet of the Tang Dynasty known for his integrity and directness; he is credited with pioneering a style of clean and refined poetry.

The number of years an athlete has participated in a specific ball sport

being of a lower age or below the average age within a specific group

The amount of time rice seedlings spend in the nursery before being transplanted to the main field.

length of time spent in military service; the number of years a soldier has served in the army

aging of a population or society; the process of becoming an aged society

the operational life-expectancy of a furnace or the period before its lining needs replacement

The number of years a vessel has been in service

The years during which a person is capable of having children; childbearing age.

Soong Ai-ling (1889-1973), the eldest of the three Soong sisters and wife of financier H. H. Kung

To become lower in average age; refers to a trend where a specific group or phenomenon begins to involve younger people than before.

the age of a wine, referring to how many years it has been matured

(literary) long life; longevity; often used in expressions to wish someone a very long life

The number of years an artist or performer has spent working in their field.

A person's actual age calculated from their date of birth.

The number of years since a factory was established.

Mao Qiling (1623–1716), a famous Qing Dynasty scholar and writer from Zhejiang; known for his extensive works on the Chinese classics and for his critical views on Neo-Confucianism.

Ferdinand Augustin Hallerstein (1703-1774), a Slovenian Jesuit missionary, astronomer, and mathematician who served for 35 years at the court of the Qianlong Emperor.

the stage of life after about age 60; often used as a respectful way to refer to the elderly in Singapore and Malaysia

The process by which the proportion of elderly people in a country or region increases; population aging

crime committed by young people; juvenile delinquency